From: Tim Hunter <rmagick@...>
Date: 2009-03-10T23:03:32+09:00
Subject: Re: fized size record from a string

lucac81 wrote:
> Hello, I'm new to Ruby, and I'm learning it with a project that also
> involves rails...
> I'm stuck with an apparently simple problem, I receive from a form a
> String and I need to extend it to a fixed char number (it must be 16
> chars with eventual trailing spaces)

Look at the String#% method:

irb(main):003:0> "%-16s" % "123"
=> "123             "

This won't work if the original string is longer than 16, though. In 
that case you just a copy of the original string.
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